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US2947653A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing containers from thermoplastic material

Assignee: Rheinmetall Air Defence AG
•
Filing: 1956-06-26
•
Granted: 1960-08-02
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Expires: 1976-06-26
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Abstract

No abstract record available.

Inventors

  • 👤 Fohr Matthias

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:32
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5861; B65D75/5872; B65D75/5877; B29; B29C; B29C51/00; B29C51/12; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/53261; B29C66/53262; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8124; B29C66/81241; B29C66/83; B29C66/832; B29C66/8322; B29C69/00; B29D; B29D23/00; B29D23/20; B29C48/00; B29C48/001; B29C48/0019; B29C48/03; B29C48/07; B29C48/08; B29C48/13; B29K; B29K2995/00; B29K2995/0037; B29K2995/0065; B29L; B29L2023/00; B29L2023/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1036

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
A METHOD OF PRODUCING A CONTAINER FROM THERMOPLASTIC MATERIAL COMPRISING THE STEPS OF PERMANENTLY DEFORMING A PLASTIC WEB BY MEANS OF A MANDREL TO FROM A HOLLOW SUBSTANTIALLY CYLINDRICAL EXTENSION IN THE MIDDLE OF SAID WEB, INSERTING A LENGTH OF TUBE ALSO FORMED OF PLASTIC MATERIAL IN SAID EXTENSION, WELDING SAID LENGTH OF TUBE TO THE END FACE OF SAID EXTENDIONIN ORDER TO FORM A REINFORCED TUBE NECK AND A CLOSURE SEAL, AND THEN BRINGING TOGETHER AND WELDING THE TWO OVERLAPPING WALL PORTIONS FORMED BY FOLDING THE WEB IN THE VICINITY OF THE EXTENSION TO FORM SEAMS CLOSING SAID CONTAINER.
Claim 2
Independent Claim 100 words
A METHOD OF PRODUCING A CONTAINER FROM THERMOPLASTIC MATERIAL COMPRISING THE STEPS OF PERMANENTLY DEFORMING A PLASTIC WEB BY MEANS OF A MANDREL TO FROM A HOLLOW SUBSTANTIALLY CYLINDRICAL EXTENSION IN THE MIDDLE OF SAID WEB, INSERTING A LENGTH OF TUBE ALSO FORMED OF PLASTIC MATERIAL IN SAID EXTENSION, WELDING SAID LENGTH OF TUBE TO THE END FACE OF SAID EXTENDIONIN ORDER TO FORM A REINFORCED TUBE NECK AND A CLOSURE SEAL, AND THEN BRINGING TOGETHER AND WELDING THE TWO OVERLAPPING WALL PORTIONS FORMED BY FOLDING THE WEB IN THE VICINITY OF THE EXTENSION TO FORM SEAMS CLOSING SAID CONTAINER.

References Cited (Backward Citations)

US1310439A Cited
US777744A Cited
US801227A Cited
US1263141A Cited
US1553554A Cited
US1716547A Cited
US1972087A Cited
GB561225A Cited
US2500639A Cited
US2661741A Cited
US2671577A Cited
US2702146A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-02 1964-02-01 1964-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-02 1968-02-01 1968-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-02 1972-02-01 1972-08-02 $7700.00 Window Closed / Lapsed

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